A 6-year-old presents with slightly umbilicated, dome-shaped lesions on the skin of the trunk, face, and extremities. The child is diagnosed with molluscum contagiosum caused by a highly contagious:
a. bacterium.
b. virus.
c. fungus.
d. parasite.
ANS: B
Molluscum contagiosum is caused by a virus. Molluscum contagiosum is not caused by a bacte-rium, a fungus, or a parasite.
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You and the critical care transport team are taking a critically ill patient to another hospital. Among many IV infusions and monitors, the patient is also on a ventilator. You note that the FDO2 is set at 0.50. What does this mean?
A) Fifty percent of the patient's respirations are provided by the ventilator B) Ventilations are provided when the patient breathes fewer than 50 times per minute C) Oxygen is not provided by the ventilator until the patient's pulse oximetry drops below 50% D) The provided oxygen concentration is set at 50 percent
Which of the following procedures for the detection of parasites is riddled with cross-reactions, variable patient response, and technically demanding for most clinical laboratories?
A) Serologic assay B) Molecular biology assay C) Direct fluorescent antibody D) Enzyme immunoassay
Which of the following is the most appropriate action when performing interviews?
a. Discuss specific salaries. b. Wait until the second interview before discussing a specific salary. c. Make a job offer as soon as you like a candidate, even if there are more applicants scheduled. d. Schedule interviews back to back.
Increasing the energy of an incident electron will result in the production of an x-ray photon with
a. greater energy. b. less energy. c. greater charge. d. greater velocity.